If no sound is coming from your fuel pump, its time to inspect the pump relay or fuse to see if its providing any power to the pump. If your engine is stalling or wont start, theres a chance you need to replace the fuel pump relay. Step 4 – Set up the Multi-meter or Ohmmeter Select a store to see pricing & availability. 2000-2001 is the fuse 3 (Cigar Lighter) in the Instrument panel fuse box, and fuses 7 (Floor Console Auxiliary PowerPoint), 9 (Left Rear Quarter Auxiliary PowerPoint) and 11 (Cargo Auxiliary PowerPoint) in the Engine compartment fuse box.
To figure out which pin is which, there will usually be numbers on the bottom of the relay that indicate the pin positions, or you can locate a wiring diagram from your relay’s specific manufacturer. One is for input voltage, one is the ground pin, one is the load pin that goes to the fuel pump, and one goes to the battery. Generally there are four pins (terminals) on the fuel pump relay. Unplug the fuel pump relay, but do not break the cover and connecting tabs. A few differences I noticed between my box and the replacement: Mine Replacement. The fuse box should be clearly marked on the back or inside of itself. I located a 2004 Lincoln Navigator in the local Pull-a-Part and took the fuse box out of it, tested all of the fuses, put my relays in it and replaced mine with it and all is well. You may have to explore the engine compartment more thoroughly, or you may find it under the dashboard. However, some fuel pump relays come in different shapes and sizes, so it’s best to locate your manufacturer’s diagram if you’re having trouble finding your fuel pump relay. The majority of vehicles made today have the fuel pump relay located near here, and the fuel pump relay should look like a small plastic box with four to five electrical terminals. Then, open your vehicle's hood and find the fuse panel. Step 1 – Locate the Fuel Pump Relayįirst, make sure that you have enough light and room to work. This means your fuel pump will cease to function properly.Ĭheck out the following steps to troubleshoot your fuel pump. When either of these begin failing, the current to the electrical circuit will be also fail. The most common parts to burn out or break include the contact and the coil. Testing the relay of a fuel pump is relatively simple, as it does not have many parts.
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